0.4 Carat Oval Lab Grown Diamond Prices Comparison
As of February 2026, 0.4 carat oval lab grown diamonds usually range from $167 to $755, with an average price of $292.In the last month, prices for these diamonds are down 0.5%.Compare 574 verified listings across 4 retailers tracked by CaratRadar.
0.4 Carat Oval Lab Grown Diamond Market Overview
CaratRadar currently tracks 574 verified 0.4-carat oval lab grown diamonds listed across 4 online retailers. Prices in this segment range from $167 to $755, with an average asking price of $292 and a median of $261.
The price spread of $588 (77.9% from highest to lowest) highlights why comparing identical certified diamonds across multiple retailers matters. Two identical certified diamonds can differ by hundreds or even thousands of dollars depending on the retailer.
These figures are based on our latest daily market data, matched by certification lab and certificate number across retailers, so you are comparing the exact same diamond.
574 diamonds tracked in this segment
Price range: $167 to $755
Average price: $292
Median price: $261
Available across 4 retailers
Savings potential: up to 77.9%
Price Range Overview
As of Feb 27, 2026Real market range for this carat, shape, and diamond type.
574
$167
$292
$261
$755
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
IGISave 33.5%0.35ct | Oval | D | VVS1 | Ideal
From $275
Compare at $414
IGISave 34.1%0.35ct | Oval | D | VVS2 | Ideal
From $231
Compare at $351
IGISave 33.5%0.35ct | Oval | D | VVS1 | Ideal
From $275
Compare at $414
IGISave 33.5%0.35ct | Oval | D | VVS1 | Ideal
From $275
Compare at $414
IGISave 33.5%0.35ct | Oval | D | VVS1 | Ideal
From $275
Compare at $414
IGISave 41.1%0.35ct | Oval | D | IF | Ideal
From $393
Compare at $666
IGISave 41.1%0.35ct | Oval | D | VVS2 | Ideal
From $223
Compare at $378
IGISave 42.2%0.35ct | Oval | E | VVS2 | Very Good
From $223
Compare at $385
IGISave 33.5%0.35ct | Oval | D | VVS1 | Very Good
From $275
Compare at $414
IGISave 39.9%0.35ct | Oval | D | VVS2 | Ideal
From $231
Compare at $385
IGISave 54.3%0.35ct | Oval | D | VS1 | Ideal
From $251
Compare at $549
IGISave 39.9%0.35ct | Oval | D | VVS2 | Ideal
From $231
Compare at $385
IGISave 55.6%0.35ct | Oval | D | VVS2 | Excellent
From $231
Compare at $521
IGISave 56.5%0.35ct | Oval | D | VS2 | Very Good
From $214
Compare at $492
IGISave 53.5%0.35ct | Oval | D | VVS2 | Ideal
From $267
Compare at $574
IGISave 53.1%0.35ct | Oval | D | VVS2 | Ideal
From $275
Compare at $587
IGISave 41.1%0.35ct | Oval | D | VVS2 | Ideal
From $223
Compare at $378
IGISave 40.6%0.35ct | Oval | D | VVS1 | Ideal
From $267
Compare at $449
IGISave 62.1%0.35ct | Oval | D | VS1 | Very Good
From $175
Compare at $462
IGISave 34.1%0.35ct | Oval | D | VVS2 | Ideal
From $231
Compare at $351
IGISave 38.1%0.35ct | Oval | E | VS1 | Very Good
From $220
Compare at $355
IGISave 55.6%0.35ct | Oval | D | VVS2 | Excellent
From $231
Compare at $521
IGISave 56.5%0.35ct | Oval | E | VS1 | Very Good
From $214
Compare at $492
IGISave 36.2%0.35ct | Oval | D | VS1 | Excellent
From $226
Compare at $355
IGISave 39.9%0.35ct | Oval | D | VVS2 | Ideal
From $231
Compare at $385
IGISave 54.3%0.35ct | Oval | D | VS1 | Ideal
From $251
Compare at $549
IGISave 56.2%0.35ct | Oval | D | VS2 | Ideal
From $221
Compare at $504
IGI0.35ct | Oval | E | VVS1 | Very Good
From $306
Compare at $310
IGISave 41.1%0.35ct | Oval | E | VVS2 | Excellent
From $214
Compare at $363
IGI0.35ct | Oval | D | VVS1 | Very Good
From $304
Compare at $310
IGISave 53.1%0.35ct | Oval | D | VVS2 | Ideal
From $275
Compare at $587
IGISave 58%0.35ct | Oval | F | VS1 | Very Good
From $195
Compare at $463
IGISave 59.9%0.35ct | Oval | D | VS1 | Very Good
From $174
Compare at $435
IGISave 36.2%0.35ct | Oval | D | VS1 | Good
From $226
Compare at $355
IGISave 56.5%0.35ct | Oval | E | VS1 | Very Good
From $214
Compare at $492
IGISave 52.7%0.35ct | Oval | D | VVS1 | Ideal
From $284
Compare at $601
IGISave 40.6%0.35ct | Oval | D | VVS1 | Ideal
From $267
Compare at $449
IGI0.35ct | Oval | D | IF | Ideal
From $360
Compare at $390
IGI0.35ct | Oval | D | IF | Very Good
From $360
Compare at $370
IGISave 62.1%0.35ct | Oval | D | VS1 | Very Good
From $175
Compare at $462
IGISave 63%0.35ct | Oval | E | VVS1 | Ideal
From $291
Compare at $787
IGISave 41.4%0.35ct | Oval | D | VVS2 | Ideal
From $231
Compare at $395
IGISave 33.5%0.35ct | Oval | D | VVS1 | Ideal
From $275
Compare at $414
IGISave 41.4%0.35ct | Oval | D | VVS2 | Ideal
From $231
Compare at $395
IGISave 33.5%0.35ct | Oval | D | VVS1 | Ideal
From $275
Compare at $414
IGISave 55%0.35ct | Oval | E | VS1 | Ideal
From $239
Compare at $530
IGISave 39.9%0.35ct | Oval | D | VVS2 | Ideal
From $231
Compare at $385
IGISave 26.4%0.35ct | Oval | D | VVS2 | Very Good
From $261
Compare at $355
IGISave 34.1%0.35ct | Oval | D | VVS2 | Very Good
From $231
Compare at $351
IGISave 39.9%0.35ct | Oval | D | VVS2 | Very Good
From $231
Compare at $385
Entry pricing in this category starts around $167.
What to Know When Shopping for 0.4 Carat Oval Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $588 or more.
- Focus on the 4Cs that matter most to you. Color and clarity grades drive price more than cut in many segments, but cut affects sparkle the most.
- The median price of $261 is a useful benchmark. If you see a deal significantly below this, verify the retailer's reputation and return policy.
- Consider eye-clean alternatives. Moving one clarity grade down (e.g., VS2 to SI1) can save 10-15% with no visible difference to the naked eye.
- Lab-grown diamonds offer excellent value. Ensure the stone comes with a GIA or IGI certificate confirming it is laboratory-grown.
- Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.
- Oval diamonds can appear larger than rounds of the same carat weight due to their elongated face-up area. Watch for the bow-tie effect in lower-quality cuts.
Frequently Asked Questions
We currently track 574 comparable stones in this segment. Prices start around $167 and go up to $755.
Based on the latest market data, the average asking price is about $292 with a median around $261.
The observed spread is roughly $588 across tracked listings, which is about 77.9% from highest to lowest offer in this bucket.
We refresh pricing data daily so these pages stay current with market changes.
Based on our data, the median price is $261, which represents the midpoint of the market. Anything below this figure from a reputable retailer is a solid deal.
We currently track this stone category across 4 online retailers, giving you a broad view of the competitive landscape.
For most buyers, color differences below G are hard to detect once set in a ring. Clarity grades of VS2 and above are typically eye-clean. Prioritize cut quality for maximum brilliance, then balance color and clarity based on your budget.
Retailer pricing strategies, overhead costs, and margin targets all contribute. The exact certified diamond can differ by $588 across sellers, which is why direct certified-diamond comparison is essential.
We match diamonds across retailers by their certification lab and certificate number. This means the prices you see are for the exact same physical diamond, not just stones with similar specs. It is a true apples-to-apples comparison.
Diamond prices fluctuate based on supply and demand. Our data refreshes regularly so you can track trends over time. Use the price range on this page as a benchmark and compare it to historical averages when available.
Diamond Terminology
- Carat
- A unit of weight for diamonds equal to 200 milligrams. Larger carat weights are exponentially rarer, which is why prices increase non-linearly with size.
- Cut
- Refers to how well a diamond's facets interact with light. Cut quality ranges from Ideal to Poor and is the single biggest factor affecting a diamond's brilliance.
- Color
- Grades a diamond's lack of color on a scale from D (colorless) to Z (light yellow). Grades D-F are considered colorless; G-J are near-colorless and offer good value.
- Clarity
- Measures the presence of internal inclusions or surface blemishes. Grades range from Flawless (FL) to Included (I3). Most inclusions in VS2 and above are invisible to the naked eye.
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Tracking Lab Grown inventory for 0.4 carat Oval diamonds.